List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=248
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "name": "New Zealand Tournaments",
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            "subsequent_pairing_method": "strength",
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            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-10-09T06:39:20.460568Z",
            "ended": "2023-02-19T16:10:03.277181Z",
            "start_waiting": "2022-10-09T06:39:20.260636Z",
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}